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            <td width="35%" class="headerValue"><a href="../../../../index.html">top level</a> - <a href="index.html">usr/include/boost/thread</a> - lock_guard.hpp<span style="font-size: 80%;"> (source / <a href="lock_guard.hpp.func-sort-c.html">functions</a>)</span></td>
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            <td class="headerValue">code analysis</td>
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            <td class="headerCovTableEntry">1</td>
            <td class="headerCovTableEntry">1</td>
            <td class="headerCovTableEntryHi">100.0 %</td>
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            <td class="headerItem">Date:</td>
            <td class="headerValue">2020-09-11 22:50:33</td>
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<pre class="sourceHeading">          Line data    Source code</pre>
<pre class="source">
<a name="1"><span class="lineNum">       1 </span>            : // Distributed under the Boost Software License, Version 1.0. (See</a>
<span class="lineNum">       2 </span>            : // accompanying file LICENSE_1_0.txt or copy at
<span class="lineNum">       3 </span>            : // http://www.boost.org/LICENSE_1_0.txt)
<span class="lineNum">       4 </span>            : // (C) Copyright 2007 Anthony Williams
<span class="lineNum">       5 </span>            : // (C) Copyright 2011-2012 Vicente J. Botet Escriba
<span class="lineNum">       6 </span>            : 
<span class="lineNum">       7 </span>            : #ifndef BOOST_THREAD_LOCK_GUARD_HPP
<span class="lineNum">       8 </span>            : #define BOOST_THREAD_LOCK_GUARD_HPP
<span class="lineNum">       9 </span>            : 
<span class="lineNum">      10 </span>            : #include &lt;boost/thread/detail/config.hpp&gt;
<span class="lineNum">      11 </span>            : #include &lt;boost/thread/detail/delete.hpp&gt;
<span class="lineNum">      12 </span>            : #include &lt;boost/thread/detail/move.hpp&gt;
<span class="lineNum">      13 </span>            : #include &lt;boost/thread/detail/lockable_wrapper.hpp&gt;
<span class="lineNum">      14 </span>            : #include &lt;boost/thread/lock_options.hpp&gt;
<span class="lineNum">      15 </span>            : #if ! defined BOOST_THREAD_PROVIDES_NESTED_LOCKS
<span class="lineNum">      16 </span>            : #include &lt;boost/thread/is_locked_by_this_thread.hpp&gt;
<span class="lineNum">      17 </span>            : #include &lt;boost/assert.hpp&gt;
<span class="lineNum">      18 </span>            : #endif
<span class="lineNum">      19 </span>            : 
<span class="lineNum">      20 </span>            : #include &lt;boost/config/abi_prefix.hpp&gt;
<span class="lineNum">      21 </span>            : 
<span class="lineNum">      22 </span>            : namespace boost
<span class="lineNum">      23 </span>            : {
<span class="lineNum">      24 </span>            : 
<span class="lineNum">      25 </span>            :   template &lt;typename Mutex&gt;
<span class="lineNum">      26 </span>            :   class lock_guard
<span class="lineNum">      27 </span>            :   {
<span class="lineNum">      28 </span>            :   private:
<span class="lineNum">      29 </span>            :     Mutex&amp; m;
<span class="lineNum">      30 </span>            : 
<span class="lineNum">      31 </span>            :   public:
<span class="lineNum">      32 </span>            :     typedef Mutex mutex_type;
<span class="lineNum">      33 </span>            :     BOOST_THREAD_NO_COPYABLE( lock_guard )
<span class="lineNum">      34 </span>            : 
<span class="lineNum">      35 </span>            :     explicit lock_guard(Mutex&amp; m_) :
<span class="lineNum">      36 </span>            :       m(m_)
<span class="lineNum">      37 </span>            :     {
<span class="lineNum">      38 </span><span class="lineCov">      24202 :       m.lock();</span>
<span class="lineNum">      39 </span>            :     }
<span class="lineNum">      40 </span>            : 
<span class="lineNum">      41 </span>            :     lock_guard(Mutex&amp; m_, adopt_lock_t) :
<span class="lineNum">      42 </span>            :       m(m_)
<span class="lineNum">      43 </span>            :     {
<span class="lineNum">      44 </span>            : #if ! defined BOOST_THREAD_PROVIDES_NESTED_LOCKS
<span class="lineNum">      45 </span>            :       BOOST_ASSERT(is_locked_by_this_thread(m));
<span class="lineNum">      46 </span>            : #endif
<span class="lineNum">      47 </span>            :     }
<span class="lineNum">      48 </span>            : 
<span class="lineNum">      49 </span>            : #if ! defined BOOST_THREAD_NO_CXX11_HDR_INITIALIZER_LIST
<span class="lineNum">      50 </span>            :     lock_guard(std::initializer_list&lt;thread_detail::lockable_wrapper&lt;Mutex&gt; &gt; l_) :
<span class="lineNum">      51 </span>            :       m(*(const_cast&lt;thread_detail::lockable_wrapper&lt;Mutex&gt;*&gt;(l_.begin())-&gt;m))
<span class="lineNum">      52 </span>            :     {
<span class="lineNum">      53 </span>            :       m.lock();
<span class="lineNum">      54 </span>            :     }
<span class="lineNum">      55 </span>            : 
<span class="lineNum">      56 </span>            :     lock_guard(std::initializer_list&lt;thread_detail::lockable_adopt_wrapper&lt;Mutex&gt; &gt; l_) :
<span class="lineNum">      57 </span>            :       m(*(const_cast&lt;thread_detail::lockable_adopt_wrapper&lt;Mutex&gt;*&gt;(l_.begin())-&gt;m))
<span class="lineNum">      58 </span>            :     {
<span class="lineNum">      59 </span>            : #if ! defined BOOST_THREAD_PROVIDES_NESTED_LOCKS
<span class="lineNum">      60 </span>            :       BOOST_ASSERT(is_locked_by_this_thread(m));
<span class="lineNum">      61 </span>            : #endif
<span class="lineNum">      62 </span>            :     }
<span class="lineNum">      63 </span>            : 
<span class="lineNum">      64 </span>            : #endif
<span class="lineNum">      65 </span>            :     ~lock_guard()
<span class="lineNum">      66 </span>            :     {
<span class="lineNum">      67 </span>            :       m.unlock();
<span class="lineNum">      68 </span>            :     }
<span class="lineNum">      69 </span>            :   };
<span class="lineNum">      70 </span>            : 
<span class="lineNum">      71 </span>            : 
<span class="lineNum">      72 </span>            : #if ! defined BOOST_THREAD_NO_MAKE_LOCK_GUARD
<span class="lineNum">      73 </span>            :   template &lt;typename Lockable&gt;
<span class="lineNum">      74 </span>            :   lock_guard&lt;Lockable&gt; make_lock_guard(Lockable&amp; mtx)
<span class="lineNum">      75 </span>            :   {
<span class="lineNum">      76 </span>            :     return { thread_detail::lockable_wrapper&lt;Lockable&gt;(mtx) };
<span class="lineNum">      77 </span>            :   }
<span class="lineNum">      78 </span>            :   template &lt;typename Lockable&gt;
<span class="lineNum">      79 </span>            :   lock_guard&lt;Lockable&gt; make_lock_guard(Lockable&amp; mtx, adopt_lock_t)
<span class="lineNum">      80 </span>            :   {
<span class="lineNum">      81 </span>            :     return { thread_detail::lockable_adopt_wrapper&lt;Lockable&gt;(mtx) };
<span class="lineNum">      82 </span>            :   }
<span class="lineNum">      83 </span>            : #endif
<span class="lineNum">      84 </span>            : }
<span class="lineNum">      85 </span>            : 
<span class="lineNum">      86 </span>            : #include &lt;boost/config/abi_suffix.hpp&gt;
<span class="lineNum">      87 </span>            : 
<span class="lineNum">      88 </span>            : #endif
</pre>
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